10-12 Exercise: A water supply company

1 like 0 dislike
21k views

A water supply company charges the water consumption, as follows:

a) Fixed amount of 10$.
b) For the first 30 cubic meters 0.6$/meter.
c) For the next 20 cubic meters 0.8$/meter.  
d) For the next 10 cubic meters 1$/meter.  
e) For every additional meter 1.2$/meter.   

Write a program that reads the water consumption in cubic meters and displays the bill.
寫一個輸入水的用量 輸出水費的程式

Example Input:

25

Output:

Cost: 25.00

Example Input 2:

44

Output:

Cost: 39.20

Example Input 3:
 

75

Output:

Cost: 72.00

 

[Exercise] Coding (C) - asked in Chapter 4: Expressions by (12.1k points)
ID: 26465 - Available when: Unlimited - Due to: Unlimited
edited by | 21k views

91 Answers

0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main(){

    float a,b,c,d,e;

 ***  *   **  * *  *** * *   *  ** **** **  **   *    
   **  *  *    * * *    *  **  **** *  
*   ** ***   *  **  * * *  *  **** * 
* * ***  *  ** **  ***  *  * *** ** **  
* ** *   * **  ** * *  *  ******   ** *

***** **       * **   **  *** * * **  * **  ***  **  *    * **** * *
* **** ***  *  **   * **   * * * *****    *****  ***  * ***  ***    **  

   ******  **   **** ** **     ********* * ** **   ** && a>30){
*  *   *****       * **    ** ****   *  **  *    **  * * ****    *     * *   *** ** 

*  *    * *      *    * **  *    * ***  * *    *** ****** ** * && a>50){
***** **  ** * *    *** **  **  *   * ** *  *** * **   *  ** ***** * **  **

    **  * *****   *  *     * *****   * ** *****    *  *  **** *  * 
   ** * **  * * **  ** *   *  ****         ****  * ****   *  **** * ** *** **










    return 0;



}
answered by (-301 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
  *      ** *** *    ** ***  ** * a;
  *   ** ** ***    **  ****  ***  ****  *   * **   *       * *
    * **   *   * * **  *  *  ** 
* **        ***** ***** *    **** ***  ** **   *      *** *   *  * %.2f",a*0.6+10);
 **  *    **  ***  *     ***** if(a<=50)
 **** *   * **   *  * ***** *** * * ***  * * **      ** *   ** * * ** %.2f",(30*0.6)+(a-30)*0.8+10);
**** *  *  ** **    ****** if(a<=60)
 * * *  *   **  **  * *** *** **  *   *   *  ***** *** *** *    *  **** *  *    **   ****      **     *
  *  *** *  ** ***** ** ** *  *   * 
 **     *** * ** *     *****    *** ***  ** ** * * **   ** *   **  **  * **      ***** **  * ** * **
 *  * * ** *    *  ***     * 0;
}
answered by (-258 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include  **  **** *     **

int main ()

{
***   *   ** * **  **** ***  *  *  userinput, a, b, c, extra;

 **    *  *  *** **  * ** * *      **  *   ***  &userinput);
*******   *** **   *** * (userinput<31)
* *   *  **  ** **   *  * *  
*  * * * *** *      **  * ** ***** *   ***    **   ***  *    = userinput * 0.6;
  * ***  * ****   ****  **  * *   *   *  **    *  * * ***   ****** %.2f", a+10);
**** * * **  **** *     ***  * 
  *  * ** **** *** *****    if (userinput<51)
* ****   * *** *  * ****
* *  **  *  ***  ** ** **    ** **** *     *    *  ** *** * = (userinput - 30)*0.8+30*0.6;
 **  *  ***** * **    **  **  ** *    ***** *** * **   * *    ***** %.2f", b+10);
*  ** * * **    * *  **    
    * **** ***         ** if     *** *    *   
 ** **  ** *** *****  *** *    
* ***  *   * * *****   * ****  ** *  ***** * ** = (userinput - 50)*1+30*0.6+20*0.8;
*  ** * * * * *  ** * *  **   ** **** *  *******  * * *** *** * %.2f", c+10);
***  * *  **** **  ***  *
** **  * *****       * ***
  *  *****   *  **   **  *
****  *    *     ** ** * **  * *** ** *** * *       = (userinput - *  * **  ** * ***  * 
  *   **  ** *   * *   ** **  * * **   ** ***  ****** ***    ** *  *  *    %.2f", extra+10);
 *** **  * * *   *    *  *  


* ****  *  * **   *   *  * ***  * 0;

}
answered by (-249 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
****  *       **
#define FIXED_AMOUNT 10
int main()
{
 ***   *  ***   *  **  *  x, first_30cb,   ****       * next_10cb, add_metercb;
 * *     **  *  **    * **  *   ***** **   * &x);
*** *** *******  * ** (x<31)
**** *  **   ***   
 *  * * ** *  ***    **** *** * **** * **   ** *     = FIXED_AMOUNT + x*0.6;
** * **      **  *    ****  **   *  ***********  *   * **  ****** **    *  ***  **  **  * ** 
 *** * *   ** * *   *
**** *****        ** *  if (x<51)
  ** **    *****  ***     
 * *    * * ***** * * ***  * * ****  ** ***     ** = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
** * *    *** * * ** **  * * *    ** *** ** * ** *** * *   ** *  **       *
******  *** * *** * 
*   * * **** * ** ** **  *   if (x<61)
 **   ** ** ** *** *   
* *  **  **     * ** * * *  * * * * ** ** **  *  **   = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
*    * *  * * *  * **  **   **   * *     *   **      ** **   * * ***** ****
** **   * *** ***** * 
 *  ** *  *   * * *  ****
*  ** **   ****   ** *** *
  *   *  ** ** **  ***    * *  ** ** *  *** *** *  * * ***** *  = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
* ** * **   ** * *** * **  *    ***  *  **  ***** **      ** ** ** * ******* *   *** * **
** *** ** **  *   **  ** *   

* * **** *  * **      *  ** 0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
#include <stdio.h>

int main(){

    float a,b,c,d,e;

  *** *   ***  * *    **    ***    * * *** *   ** **  
* **  * ****     **   **   ** 
****  * **** * * *  *  ***** **   * 
   ** * *  *   *  * ***   ***    ***   
  *   ** *   *  *** * * ***   *  ***** **

      ****   **  ** *     * **  **   ** *   **  *   *   ** *
   *  * *** *  **** *   *  ***     *   ***     ***   ***  *    *  **  

*   * **  ** **  *****     *****       *  * * *        && a>30){
*      *** *   **   *   * *  *   *  * ** **** *     **     ** **** *** *

   **  *    **  *   **        **  ** *** *  * *  * * ***       && a>50){
  *  * *****  *       * *    ** ****  *   ****  *  **   *       **

** * **  * * ** *******  ** ***   *** *   *   **    **   ** **
******  *** *    *****  ** ***** ** *    *   *****  **  *  ******  **   * * * ****** *










    return 0;



}
answered by (-301 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
#include <stdio.h>
#include <stdlib.h>

int main()
{
 * *  ** **** * **  *   **    *   a;
*************  *  ** ****    **  * ** ****  *   * *
**  ** ** *    **** *  *   **   ****   
 *  *** * **    ***    ****    ****       *******  *** * ****** ***         ***
    else if(a<=50)
 * ***   **  *** * * **    ** ****   *    ***** *  **   * ******  *  ****  **  ** **     ***  * * 
  ** **      **    *  **** if(a<=60)
 *  * **     ** *** **  * *  ** ** **  * * *** *  **** **  *** * *** **  **  * *  ***  
 **** *   * ****  * * *  *** ***  *  
  * ** *    **   * *  *** *** ** ** ***  ** ***** ***       **** ***  *** ***  * *** *   * * **** * *  ******  **
**  * * ***** *  ***   * * *   0;
}
answered by (-258 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
         *    * *  **   

****   ****     * *** *



int main()

{
  *    * *** * * *  **  total = 0;

*  *  ******  *** *  *  ** amount = 0;

 *      * * *     ** *  * ** *****    *  **** *  * * * ** *

*** *** * * ****   *******   amount * ** ** 30 )
*  ***  ********   * *** * 
   * *  * *   * ****   **** * *******  *  *      *  **   * ****** ** = amount * 0.6 + 10;
****  *** ** * * *** **    

*  *  *    * * **    *** ** * if( amount * *** * 50 )
 * **   ***  *        *   *  
  **    **    *    **   ** *** * ***** * ** ***   *   = 10 + 30 * 0.6 + ( amount - 30 ) * 0.8;
 * ****    *  **  * **

* ***   *   *    *  *  *       if( amount  **    60 )
***   **  ** *   *  *** **   
      ***  ** * *** ** ** * *      *  *    ******   *  ****  * = 10 + 30 * 0.6 + 20 * 0.8 + ( amount - 50 );
**     * *   **   ** ** * *   * *

*** ***    ** *  *  * * *     * **
   *  **  * **** ** **   *   **
 *** * * * ** *  *     ** ***   * ** * *** * ***  * * **  * = 10 + 30 * 0.6 + 20 * 0.8 + 10 * 1 + ( amount - 60 ) * 1.2;
 *   *   ** ** * * *** 

** *    * ** * * *  **   *****     ** * * * * *  * ** 
   *   ** **    *  *        *  ** 0;

}
answered by (-285 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented
0 0
-----------Re-judge-----------
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Correct output
Case 4: Correct output
commented by (4.3k points)
0 like 0 dislike 
Hidden content!
  * *** *  **   *** ***
#define FIXED_AMOUNT 10
int main()
{
**    ** *     *** *   x, first_30cb, ***  ** *     *** next_10cb, add_metercb;
*       *  ******  * ***** * **  ** * * ** &x);
*****    *     * *  **  (x<31)
** *** * *   *  *    * 
****** **  ******  ***   ** **  *   ****   *  ****  *    = FIXED_AMOUNT + x*0.6;
     *  **  *   * **  *** *  * * ***    * * *         ***     *     **    *  * ***
** * *** *   **  ** **** **
* ***  ****        ** if (x<51)
 * * ** ** ** *****
  **  *  ** *   **  *** *****    *   **  ** *   ** * ** = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
 ***** *    *      *   * ***       * *** **      * *******   * *  ***   *  * ** **
* *  ***** * ******
*  ** ***  * *  * *   if (x<61)
 *  * ** **  * ***  *    
 *   **   *   * *   * **  ******  *  **     * ***   ****  = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
  * **    * **** * **  *** *   *  *** ******* *  *  *  **   *****  *   * * ** **  
**  ******* *  * **
* *** ***   *   ***** * 
    *** *         ** ** **  
 * * *   **  ** *  ** **      **  **  * * *  *    *  * **  *  = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
**** *  * *****  ** *  **  * * ** * **  ****   *    *  ** * **  ******  *  *****   
 *   *   ** * ** ** *  * * *

*   ****    *    *    * 0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
**   * **** *   *  **

* *  *   *** **** * ***



int main()

{
************* * *** *  * **  *    total = 0;

 *   *   **** ***** * ***  *   *  += 10;

*   **  ** * ** * *** * *    amount = 0;

** ****   *** * *     *** * ** ** * *** *   *   *    ***    * *   

 * * ******     ***  *  * amount  *** * * 30 )
  *  * **  ** ****   * *
***  *** * * * * *   *   **    * ** *  * **** * * * = amount * 0.6 + 10;
*  **   *        * * ***   ** 

   ***        ****    ** * *    if( amount      * 50 )
** *  * * ** *  *** * * *
*    ***   *  ** ****   * *** **  * * *    ***      **  ****** * = 10 + 30 * 0.6 + ( amount - 30 ) * 0.8;
   **  *  * ********    * 

 **  *   ** *    ***   **  if( amount ******* 60 )
   *** * * **  *** * *****  
***** ***  **  ****  * ** *  **   **  *** ** **  ** * ** = 10 + 30 * 0.6 + 20 * 0.8 + ( amount - 50 );
 *    * ***  ** ****  * * *** * 

** ***  **  *  * * ** *
******  **  *   * *** **** 
 *    *  * ******  *  *  * *   ***      *     * * = 10 + 30 * 0.6 + 20 * 0.8 + 10 * 1 + ( amount - 60 ) * 1.2;
 ** ***** ** ***    *****  

   ***  *  *****  **** **** *  * *       ***  ** **** ** * 
* * *  **   * ** * ******* 0;

}
answered by (-285 points)
0 0
Case 0: Wrong output
Case 1: Wrong output
Case 2: Wrong output
Case 3: Wrong output
Case 4: Wrong output
commented
0 like 0 dislike 
Hidden content!
 * *   * *   *  ****
#define FIXED_AMOUNT 10
int main()
{
* *  *****     *   *         x, first_30cb,    ***       next_10cb, add_metercb;
*  *      ****  **** *   * *** ***    &x);
   *   **  *****   (x<31)
**  *  *  **** * **  *
    * *  * * *****    *   ** ***   ** *    *   * **   * = FIXED_AMOUNT + x*0.6;
 * ***     *  *** **  ** * * ** **** **** *     * * *** *  **  *** *   * 
*  ***** **********
   * *   * *   *  if (x<51)
* ***  ****  *      *  
 *      *  ****  *    * *  *    **  *    * *  *   * * **** = FIXED_AMOUNT + (x-30)*0.8 + 30*0.6;
***** *      ** *  **** ***  * ***  ****** *   ** * **   *   ** ***   *
   ** ***  *     * *
 * * * * *   **** ** *  if (x<61)
   *  *** *   ****
**    * * **  * ** * ******* **** * ***** ** *    **  = FIXED_AMOUNT + (x-20)*1 + 30*0.6 + 20*0.8;
*****   ***  * ** *   ** * *    *   ** **   **     * *  * **  *  *** ****  ** **  *   
*  *  * ****   ** *   
** *** ***   ****** **
  *  *     ** **   * ****   *  
    **  ** **     *    * *   *    * ** *       **  *  **** * * *** ** = FIXED_AMOUNT + (x-60)*1.2 + 30*0.6 + 20*0.8 + 10*1;
**  **   * *  *    ** ***    * *  *  ** * * * *  *   ** * * * * ******  ** **  * 
  **  **   * *   ****  **  *  **  *

  ***** *    * *      * *   0;

}
answered by (-281 points)
0 0
Case 0: Correct output
Case 1: Correct output
Case 2: Correct output
Case 3: Wrong output
Case 4: Wrong output
commented
Page:
Welcome to Peer-Interaction Programming Learning System (PIPLS) LTLab, National DongHwa University
English 中文 Tiếng Việt
IP:172.71.254.105
©2016-2025

Related questions

3 like 0 dislike
87 answers
10/12 Exercise: Complete a program with output format
[Exercise] Coding (C) - asked Oct 12, 2017 in Chapter 3: Formatted Input/Output by thopd (12.1k points)
ID: 26463 - Available when: Unlimited - Due to: Unlimited | 16.9k views
3 like 0 dislike
86 answers
10-05: A program that reads the exams result and displays the percentages.
[Exercise] Coding (C) - asked Oct 5, 2017 in Chapter 4: Expressions by thopd (12.1k points)
ID: 25730 - Available when: Unlimited - Due to: Unlimited | 15.1k views
12,783 questions
183,442 answers
172,219 comments
4,824 users